<template>
  <div>
    <!-- 导航区 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片区 -->
    <el-card>
      <!-- 搜索 -->
      <el-row :gutter="30">
        <el-col :span="8">
          <el-input
            placeholder="请输入搜索内容"
            clearable
            @clear="getUserList"
            v-model="queryInfo.query"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button
            type="primary"
            class="addUserButton"
            @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>

      <!-- 列表 -->
      <el-table :data="userList" border stripe style="width: 100%">
        <el-table-column type="index" label="#" width="50"></el-table-column>
        <el-table-column
          prop="username"
          label="姓名"
          width="165"
        ></el-table-column>
        <el-table-column
          prop="email"
          label="邮箱"
          width="165"
        ></el-table-column>
        <el-table-column
          prop="mobile"
          label="电话"
          width="165"
        ></el-table-column>
        <el-table-column
          prop="role_name"
          label="角色"
          width="165"
        ></el-table-column>
        <el-table-column label="状态" width="165">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              active-color="#13ce66"
              inactive-color="#ff4949"
              @change="userStateChanged(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <!-- {{ scope.row }} -->
            <!-- 编辑 -->
            <el-tooltip content="编辑" placement="top" :enterable="false">
              <el-button
                size="mini"
                type="primary"
                icon="el-icon-edit"
                @click="showEditDialog(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <!-- 删除 -->
            <el-tooltip content="删除" placement="top" :enterable="false">
              <el-button
                size="mini"
                type="danger"
                icon="el-icon-delete"
                @click="removeUserById(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <!-- 角色 -->
            <el-tooltip content="角色" placement="top" :enterable="false">
              <el-button
                size="mini"
                type="warning"
                icon="el-icon-setting"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 页码 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[2, 4, 6, 8]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>

    <!-- 添加用户列表 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取消</el-button>
        <el-button type="primary" @click="addUser">确认</el-button>
      </div>
    </el-dialog>

    <!-- 修改用户列表 -->
    <el-dialog
      title="修改用户信息"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClosed"
    >
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled> </el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"> </el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"> </el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取消</el-button>
        <el-button type="primary" @click="editUserInfo">确认</el-button>
      </div>
    </el-dialog>

    <!-- 设置角色 -->
    <el-dialog
      title="设置角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClosed"
    >
      <div>
        <p>当前的用户: {{ userInfo.username }}</p>
        <p>当前的角色: {{ userInfo.role_name }}</p>
        <p>
          分配新角色:
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="roles in rolesList"
              :key="roles.id"
              :label="roles.roleName"
              :value="roles.id"
            >
            </el-option>
          </el-select>
        </p>
      </div>

      <div slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确认</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    // 添加邮箱规则
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
      if (regEmail.test(value)) {
        return cb();
      }
      cb(new Error("请输入合法的邮箱！"));
    };
    // 验证手机号规则
    var checkMobile = (rule, value, cb) => {
      const regMobile =
        /^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\d{8}$/;
      if (regMobile.test(value)) {
        return cb();
      }
      cb(new Error("请输入合法的手机号！"));
    };
    return {
      input: "",
      // 获取列表参数
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 2,
      },
      userList: [],
      total: 0,
      // 添加表单数据
      addDialogVisible: false,
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      // 添加表单验证
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            min: 5,
            max: 18,
            message: "长度在 5 到 18 个字符",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, max: 8, message: "密码为 6~15 位", trigger: "blur" },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号码", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
      // 修改表单数据
      editDialogVisible: false,
      editForm: {},
      // 修改表单验证
      editFormRules: {
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号码", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
      // 设置权限
      setRoleDialogVisible: false,
      userInfo: {},
      rolesList: [],
      // 已选中的角色id
      selectedRoleId: "",
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    // 获取用户列表
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      if (res.meta.status != 200)
        return this.$message.error("获取用户信息失败！");
      this.userList = res.data.users;
      this.total = res.data.total;
      // console.log(res);
    },
    // swith 状态开关改变
    async userStateChanged(userinfo) {
      // console.log(userinfo);
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      );
      if (res.meta.status != 200) {
        userinfo.mg_state = !userinfo.mg_state;
        return this.$message.error("更新用户状态失败！");
      }
      this.$message.success("更新用户状态成功！");
    },
    // 页码
    handleSizeChange(newSize) {
      //   console.log(`每页 ${newSize} 条`);
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    handleCurrentChange(newPage) {
      //   console.log(`当前页: ${newPage}`);
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    // 添加用户页面的关闭事件,关闭后重置页面数据
    addDialogClosed() {
      this.$refs.addFormRef.resetFields();
    },
    // 添加用户
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) return;
        const { data: res } = await this.$http.post("users", this.addForm);
        if (res.meta.status !== 201) {
          this.$message.error("添加用户失败！");
        }
        this.$message.success("添加用户成功！");
        this.addDialogVisible = false;
        this.getUserList();
      });
    },
    // 修改用户显示验证
    async showEditDialog(id) {
      const { data: res } = await this.$http.get("users/" + id);
      if (res.meta.status !== 200) {
        this.$message.error("查询用户信息失败！");
      }
      this.editForm = res.data;
      this.editDialogVisible = true;
    },
    // 修改用户页面的关闭事件,关闭后重置页面数据
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    // 修改用户
    editUserInfo() {
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) return;
        const { data: res } = await this.$http.put(
          "users/" + this.editForm.id,
          { email: this.editForm.email, mobile: this.editForm.mobile }
        );
        if (res.meta.status !== 200) {
          this.$message.error("用户修改失败！");
        }
        this.$message.success("用户修改成功！");
        this.editDialogVisible = false;
        this.getUserList();
      });
    },
    // 删除用户
    async removeUserById(id) {
      const confirmResult = await this.$confirm(
        "此操作将永久删除该用户, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);
      // console.log(confirmResult);
      // 确认返回 confirm ，取消返回 cancel
      if (confirmResult !== "confirm") {
        return this.$message.info("已经取消了删除！");
      }
      const { data: res } = await this.$http.delete("users/" + id);
      if (res.meta.status !== 200) {
        this.$message.error("删除用户失败！");
      }
      this.$message.success("删除用户成功！");
      this.getUserList();
    },
    // 展示分配权限
    async setRole(userInfo) {
      this.userInfo = userInfo;
      // 获取全部的角色列表
      const { data: res } = await this.$http.get("roles");
      if (res.meta.status !== 200) {
        this.$message.error("获取权限列表失败！");
      }
      this.rolesList = res.data;
      this.setRoleDialogVisible = true;
    },
    // 保存分配权限
    async saveRoleInfo() {
      if (!this.selectedRoleId) {
        return this.$message.error("请选择要分配的权限！");
      }
      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId,
        }
      );
      if (res.meta.status !== 200) {
        this.$message.error("更新权限失败！");
      }
      this.$message.success("更新权限成功！");
      this.getUserList();
      this.setRoleDialogVisible = false;
    },
    // 监听分配角色对话框的关闭事件
    setRoleDialogClosed() {
      this.selectedRoleId = "";
      this.userInfo = {};
    },
  },
};
</script>

<style lang="less" scoped>
</style>